Home / 1,412,380.91-1,949,077.51-800,649.07

Finding the Fourth Proportional to 1,412,380.91, 1,949,077.51 and 800,649.07

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Solution

The fourth proportional to 1,412,380.91, 1,949,077.51 and 800,649.07 is: 1,104,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,380.91 : 1,949,077.51 = 800,649.07 : x
  2. Step 2: Convert to fraction form
    1,412,380.91/1,949,077.51 = 800,649.07/x
  3. Step 3: Cross multiply
    1,412,380.91x = 1,949,077.51 × 800,649.07
  4. Step 4: Simplify right side
    1,412,380.91x = 1,560,527,088,865.10
  5. Step 5: Solve for x
    x = 1,560,527,088,865.10/1,412,380.91
  6. Step 6: Final answer
    x = 1,104,891.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.